No Logo | Shandogn Dongchen Imp And Exp Co., Ltd Our company is one of the leading manufacturers of Hyaluronic Acid with 18 tons per year output. We have the certificate ISO9001, ISO14001, OHSAS10081 and the state system of mandatory product certification 3C. Besides, we also got Kosher, HA... Member since 26 May, 2009, China - Shandong |